GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Avalanche - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 Control Valve Body and Wiring Harness Removal

    Object Number: 181573 Size: SH
  1. Remove all electrical connectors (1-6) from the electrical components.

    2. Object Number: 405022 Size: SH
  2. Remove the torque converter clutch (TCC/PWM) pulse width modulation retainer clip (395).
  3. Remove the TCC/PWM solenoid (396).

    4. Object Number: 880287 Size: SH
  4. Remove the TCC solenoid bolts (68).

    5. Object Number: 880289 Size: SH
  5. Remove the TCC solenoid and wiring harness (66). Turn the wiring harness over so that it hangs over the side of the transmission.

    6. Object Number: 829171 Size: SH
  6. Remove the transmission fluid pressure (TFP) manual valve position switch assembly bolts (62, 70).
  7. Remove the TFP manual valve position switch (69).

    8. Object Number: 13263 Size: SH
  8. Remove the manual detent spring bolt (64).
  9. Remove the manual detent spring assembly (63).

    10. Object Number: 1462820 Size: SH
  10. Remove all valve body bolts (62).

    11. Object Number: 5449 Size: SH
  11. Lift the valve body carefully so that the checkballs remain on the spacer plate in the correct location. While lifting the valve body, disconnect the manual valve link from the manual valve.

    12. Object Number: 13132 Size: SH

    Notice: Do not use a magnet in order to remove the control valve body ball check valves. This may magnetize the control valve body ball check valves, causing metal particles to stick to them.

  12. Remove the 7 valve body checkballs (2-6, 8, 12). Some models do not use a #5 checkball.

    13. Object Number: 1220924 Size: SH
  13. Remove the accumulator cover bolts (58, 59 or 117, 118).
  14. Remove the 1-2 accumulator cover and pin assembly (57 or 116).

    15. Important: M33 models do not use 1-2 accumulator spring - inner (104).

  15. Disassemble the 1-2 accumulator assembly (54, 56, 57, 104).

    16. Object Number: 1283236 Size: SH
  16. Remove the spacer plate support bolts (77).
  17. Remove the spacer plate support (53 or 113).

    18. Object Number: 1220932 Size: SH

    Important: Some models use a bonded spacer plate (48). Do not reuse the bonded spacer plate. Replace with a NEW bonded spacer plate.

  18. Remove the valve body gasket (52), the valve body spacer plate (48) and the case gasket (47).

    19. Discard gaskets. Do not reuse.


    Object Number: 829176 Size: SH
  19. Remove the 3-4 accumulator spring (model dependent) and the 3-4 accumulator piston.

    20. Object Number: 5455 Size: SH

    Notice: Do not use a magnet in order to remove the control valve body ball check valves. This may magnetize the control valve body ball check valves, causing metal particles to stick to them.

  20. Remove the case checkball (#1).